Results of Asthma
Brazil Air Pollution Study
Methods of a Time Series Study
Results of Air Pollution Study
Results of Air Pollution Graph
What is
Roro Study
Exposure to Asbestos
Presentation of Results Table
Conceptual Diagram o Case Control Study
| Condition | Cases | Controls |
|---|---|---|
| Exposed | A | B |
| Non-exposed | C | D |
Odds of Exposure among cases = A / C Odds of Exposure among controls = B / D Odds Ratio (OR) is A * D / B * C (Cross Product)
| Condition | Cases | Controls |
|---|---|---|
| Exposed | 60 | 20 |
| Non-exposed | 40 | 80 |
| Total | 100 | 100 |
Odds of Exposure Among Cases = 60/40
Odds of Exposure among Controls = 20/80
Odds Ratio = 60 * 80 / 40 * 20 = ??
What is your interpretation?
Arsenic Methylation and Bladder Cancer study
Odds ratio of bladder cancer for methylation
Confounding by Gender and Smoking
Conceptual Diagram
Dunedin Study
TV viewing
TV view results
RCT conceptual